/**
 * Copyright (c) 2016-2019 人人开源 All rights reserved.
 *
 * https://www.renren.io
 *
 * 版权所有，侵权必究！
 */

package com.xbn.common.utils;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.TypeReference;
import org.apache.http.HttpStatus;

import java.util.HashMap;
import java.util.Map;

/**
 * 返回数据
 *
 * @author  78742541@qq.com
 */
public class R extends HashMap<String, Object>  {
	private static final long serialVersionUID = 1L;

	/*
	* 获取指定key里面的值并且转换为指定类型
	* */
	public <T> T  getData(String key,TypeReference<T> typeReference)
	{
		Object data=get(key);
		//data指向的对象默认会变成LinkedHashMap类型，我们需要进行转换
		String jsonString = JSON.toJSONString(data);
		T t= JSON.parseObject(jsonString,typeReference);
		return t;
	}
	/*
	* 将该map中data数据取出并转换成指定类型
	* */
	public <T> T  getData(TypeReference<T> typeReference)
	{
		Object data=get("data");
		//data指向的对象默认会变成LinkedHashMap类型，我们需要进行转换
		String jsonString = JSON.toJSONString(data);
		T t= JSON.parseObject(jsonString,typeReference);
		return t;
	}

	public R() {
		put("code", 0);
		put("msg", "success");
	}
	
	public static R error() {
		return error(HttpStatus.SC_INTERNAL_SERVER_ERROR, "未知异常，请联系管理员");
	}
	
	public static R error(String msg) {
		return error(HttpStatus.SC_INTERNAL_SERVER_ERROR, msg);
	}
	
	public static R error(int code, String msg) {
		R r = new R();
		r.put("code", code);
		r.put("msg", msg);
		return r;
	}

	public static R ok(String msg) {
		R r = new R();
		r.put("msg", msg);
		return r;
	}
	
	public static R ok(Map<String, Object> map) {
		R r = new R();
		r.putAll(map);
		return r;
	}
	
	public static R ok() {
		return new R();
	}

	public R put(String key, Object value) {
		super.put(key, value);
		return this;
	}
	public Integer getCode() {

	  return (Integer) this.get("code");
	}
}
